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Warplets : an image-dependent wavelet representation
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Bhalerao, Abhir and Wilson, Roland (2005) Warplets : an image-dependent wavelet representation. In: IEEE International Conference on Image Processing (ICIP 2005), Genoa, Italy, SEP 11-14, 2005. Published in: IEEE International Conference on Image Processing, 2005. ICIP 2005., Volume 2 ISBN 0780391349. doi:10.1109/ICIP.2005.1530099
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Official URL: http://dx.doi.org/10.1109/ICIP.2005.1530099
Abstract
A novel image-dependent representation, warplets, based on self-similarity of regions is introduced. The representation is well suited to the description and segmentation of images containing textures and oriented patterns, such as fingerprints. An affine model of an image as a collection of self-similar image blocks is developed and it is shown how textured regions can be represented by a single prototype block together with a set of transformation coefficients. Images regions are alligned to a set of dictionary blocks and their variability captured by PCA analysis. The block-to-block transformations are found by Gaussian mixture modelling of the block spectra and a least-squares estimation. Clustering in the Warplet domain can be used to determine a warplet dictionary. Experimental results on a variety of images demonstrate the potential of the use of warplets for segmentation and coding.
| Item Type: | Conference Item (Paper) | ||||
|---|---|---|---|---|---|
| Subjects: | T Technology > TR Photography | ||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Computer Science | ||||
| Series Name: | IEEE International Conference on Image Processing (ICIP) | ||||
| Journal or Publication Title: | IEEE International Conference on Image Processing, 2005. ICIP 2005. | ||||
| Publisher: | IEEE | ||||
| ISBN: | 0780391349 | ||||
| Official Date: | 2005 | ||||
| Dates: |
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| Volume: | Volume 2 | ||||
| Number of Pages: | 4 | ||||
| DOI: | 10.1109/ICIP.2005.1530099 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Date of first compliant deposit: | 15 December 2015 | ||||
| Date of first compliant Open Access: | 15 December 2015 | ||||
| Conference Paper Type: | Paper | ||||
| Title of Event: | IEEE International Conference on Image Processing (ICIP 2005) | ||||
| Type of Event: | Conference | ||||
| Location of Event: | Genoa, Italy | ||||
| Date(s) of Event: | SEP 11-14, 2005 |
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